ISSN 2285-6064, ISSN CD-ROM 2285-6072, ISSN-L 2285-6064, Online ISSN 2393-5138
 

Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. III
Written by Casen PANAITESCU

In this paper was studied the possibility of use the sludge from wastewater treatment plant in agriculture. Under current legislation the sludge from treatment plants of Prahova county is divided into: sludge washing separator sludge from oil / water, sewage interception, sludge or emulsion desalination residues from stations of wastewater and drinking water treatment, refusals to grills / screens wastewater treatment plants, waste from desanding mixtures of fats and oils from separating fat from wastewater, sludge from industrial wastewater, sludge from municipal wastewater treatment solutions, sludge from regeneration of ion exchangers. In this study were determinate quality characteristics from the effluent and sludge: pH, BOD – total biological oxygen demand), BOD5, COD - chemical oxygen demand, SS - suspended solids. N - nitrogen, (TNK), P – phosphorus, specific resistance to filtration. This results show a possibility to use the sludge and effluent from wastewater treatment plant in agriculture according with national legislation. Testing time was about 12 weeks. It was calculated the risk factor of the process and has been studied the possibility of reducing the risk through appropriate measures.

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Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. III
Written by Onur TAȘKIN, GülȘah ÜĞLÜ, Hakan BÜYÜKCANGAZ, Ali VARDAR

Irrigation is considered a common need for agricultural production in all around the world. Instead of the high priced fossil fuels, wind-powered agricultural irrigation is an alternative usage of renewable energy in Turkey. However, it is necessary to be researched technically and economically before the implementation. In this paper; crop types, geographical frame, and groundwater quantity were taken into consideration in the context of technical feasibility. A cost analysis was done by consideration of the costs of water storage tanks, wind turbine, and pump as an economic feasibility study. The results of feasibility study provided that there is enough irrigation potential based on wind power in Marmara, Aegean and East Mediterranean regions. The increase in wind-powered irrigation will optimize the agricultural water use and preserve the environment from adverse impacts of greenhouse gases.

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Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. III
Written by Ramona DOBRE, Mihaela Valentina DRACEA, Alexandru Costin CIRSTEA

This paper aims to show the link between the evolution of the land property structure and exploitation and the life annuity program. In order to establish the modification that this program brought to the agriculture it is essential to study it as a program adopted from the French model as a need to relaunch the agriculture by supporting the medium and large sized farms so the main purpose of this paper is to demonstrate the direct connection existing between adopting this program and the increase of the exploitation dimension. As a measure with the main goal of concentrating the agricultural surface in a country such as Romania, which is facing as a huge problem the excessive fragmentation of the agricultural land, fact that makes a profitable and competitive exploitation impossible, life annuity, as this article will conclude had an important role and impact on transforming small sized exploitation into medium and large sized exploitation. The main methods utilized in elaborating this article were collecting ant interpretation of statistical data.

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Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. III
Written by Ramona DOBRE, Mihaela Valentina DRACEA, Alexandru Costin CIRSTEA

The purpose of this paper is to present the changes suffered by the property structure and exploitation in the agriculture due to the modifications of historical and political environment suffered by the countries. In order to expose this evolution there are presented historical facts related to the agrarian and agricultural policies adopted by some member states like France, Germany, Italy and Romania. It is also essential, for a better understanding of the agricultural policies, to know the role and importance of the property and exploitation structures as frame for the agricultural and rural development. The main goal of this study is to show that the decisions related to the agriculture are directly linked to the historical period in which there were taken and that those decisions marked the entire evolution of the agriculture. The main methods utilized to elaborate this article were collecting and interpretation of information.

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Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. III
Written by Ion CERTAN, Iulia BARCARI

Since independence Republic of Moldova did a lot of efforts to align with the big family of European Union and in November 2013 has made a huge step towards signing the Association Agreement and Free Trade Agreement with the EU. These impose our country to accelerate reforms and take all possible measures in order to reduce the gap of economic and socio-cultural development adjusting it to EU standards. One of the most sensible issues is rural area development that needs wide types of actions in almost all aspects. In the article we’ll consider if and how tourism could be a catalyzer for rural space conservation and further durable development that will be ended by some conclusions and recommendations to be implemented in the Republic of Moldova.

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Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. III
Written by Valentin FEODOROV

The paper deals with the design and construction of unpaved access roads where large quantities of triaxialgeogrids have been incorporated. In the last 5 years in Romania big wind farms were set up in order to increase the national production of green energy. Tens of kilometers of unpaved access roads have been executed for the establishment, operation and maintenance of the wind farms. Geosynthetic materials and, specifically, triaxialgeogrids, brought important benefits in the construction of these roads: a decrease of the execution period, a decrease of construction costs and a better quality of the completed works.

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Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. III
Written by Lucian COPOLOVICI, Andreea PAG, Astrid KÄNNASTE, Daniel TOMESCU, Adina BODESCU, Ülo NIINEMETS

Volatile organic compounds (VOC) emitted by the plants constitute a sensitive signal of stress response. Quantitative relationships between volatile emissions and the stress severity have been demonstrated only for a few stresses. Among important stresses, heat stress can particularly significantly influence all the metabolic processes of the deciduous trees. We studied the effects of heat shock treatments on leaf photosynthesis and the emission of the volatile products of lipoxygenase pathway (LOX) and mono- and sesquiterpene emissions in Quercus genus (including here Q. robur, Q. petraea, Q. cerris, and Q. rubra) to gain quantitative insight into temperature stress elicited volatile emissions. Heat stress treatments ranged from mild that only weakly affected foliage photosynthesis to severe that almost completely inhibited photosynthesis. As well it have been demonstrated that all photosynthetic parameters are less affected for the plants which emit isoprenes due to the thermo-protector role of this VOC. Under non-stressed conditions, LOX emissions were close to detection limit, and terpene emissions were low. The emission of all metabolic compounds exhibit “breaking points” which are species specific. We suggest that the quantitative relationships between the stress strength and emissions observed in this study provide an important means to characterize the severity of cold and heat stresses.

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